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Internal Frame Backpacks

(295 products)
Products (295)
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    REI Co-opTrailmade 60 Pack - Women's
    $106.83
    Save 40%
    compared to  $179.00
    5 reviews with an average rating of 4.4 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 liters
    Weight:
    3.25 to 3.62 lbs
    Features:
    Reservoir Compatible
    OspreySirrus 34 Pack - Women's
    $149.73
    Save 25%
    compared to  $200.00
    26 reviews with an average rating of 4.5 out of 5 stars
    Gear Capacity:
    34 liters
    Weight:
    3.04 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    Top Rated
    OspreyKestrel 38 Pack - Men's
    $156.73
    Save 25%
    compared to  $210.00
    18 reviews with an average rating of 4.8 out of 5 stars
    Gear Capacity:
    36 to 38 liters
    Weight:
    4.07 to 4.24 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    OspreyStratos 24 Pack - Men's
    $134.73
    Save 25%
    compared to  $180.00
    4 reviews with an average rating of 5.0 out of 5 stars
    Gear Capacity:
    24 liters
    Weight:
    2.76 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    REI Co-opTrailmade 60 Pack - Men's
    $106.83
    Save 40%
    compared to  $179.00
    11 reviews with an average rating of 4.2 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 liters
    Weight:
    3.69 lbs
    Features:
    Reservoir Compatible
    GregoryParagon 68 Pack
    $187.73
    Save 35%
    compared to  $289.95
    0 reviews
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    68 liters
    Weight:
    3.57 to 3.62 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    REI Co-opTrail 25 Pack
    $99.95
    158 reviews with an average rating of 4.4 out of 5 stars
    Gear Capacity:
    25 liters
    Weight:
    1.81 to 1.87 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    OspreySirrus 24 Pack - Women's
    $134.73
    Save 25%
    compared to  $180.00
    2 reviews with an average rating of 5.0 out of 5 stars
    Gear Capacity:
    24 liters
    Weight:
    2.56 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    Top Rated
    Mountain HardwearJMT 35 L Pack
    $134.73
    Save 25%
    compared to  $180.00
    52 reviews with an average rating of 4.7 out of 5 stars
    Gear Capacity:
    35 liters
    Weight:
    2.59 to 2.6 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    Top Rated
    GregoryMaven 45 Pack - Closeout - Women's
    $179.73
    Save 21% - 25%
    compared to  $229.95 - $239.95
    5 reviews with an average rating of 4.8 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    42 to 45 liters
    Weight:
    3.25 to 3.31 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    Top Rated
    OspreyStratos 34 Pack - Men's
    $149.73
    Save 25%
    compared to  $200.00
    75 reviews with an average rating of 4.8 out of 5 stars
    Gear Capacity:
    34 liters
    Weight:
    3.15 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    GregoryMaven 65 Pack - Closeout - Women's
    $188.73
    Save 32%
    compared to  $279.95
    2 reviews with an average rating of 4.5 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    62 to 65 liters
    Weight:
    3.44 to 3.5 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    Top Rated
    OspreyMira 32 Hydration Pack - Women's
    $164.73
    Save 25%
    compared to  $220.00
    29 reviews with an average rating of 4.8 out of 5 stars
    Gear Capacity:
    32 liters
    Liquid Capacity:
    2.5 liters
    Weight:
    3.39 lbs
    Features:
    Hipbelt Pockets
    Raincover Included
    REI OUTLET
    REI Co-opTrail 40 Pack - Men's
    $159.00
    49 reviews with an average rating of 4.4 out of 5 stars
    Gear Capacity:
    40 to 41 liters
    Weight:
    2.75 to 3 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    Top Rated
    GregoryJuno 24 Pack - Women's
    $111.73
    Save 25%
    compared to  $149.95
    40 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    24 liters
    Weight:
    1.93 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    REI Co-opFlash 55 Pack - Men's
    $229.00
    87 reviews with an average rating of 4.2 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    53 to 57 liters
    Weight:
    2.75 to 2.87 lbs
    Features:
    Ultralight
    Reservoir Compatible
    GregoryParagon 58 Pack - Closeout - Men's
    $202.73
    Save 22% - 24%
    compared to  $259.95 - $269.95
    2 reviews with an average rating of 4.0 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 to 58 liters
    Weight:
    3.5 to 3.56 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    New arrival
    OspreyStratos 36 Pack - Men's
    $164.73
    Save 25%
    compared to  $220.00
    13 reviews with an average rating of 3.5 out of 5 stars
    Gear Capacity:
    36 liters
    Weight:
    3.28 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
    Top Rated
    GregoryJuno 30 Pack - Women's
    $126.73
    Save 25%
    compared to  $169.95
    36 reviews with an average rating of 4.8 out of 5 stars
    Gear Capacity:
    30 liters
    Weight:
    2.06 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    GregoryParagon 48 Pack - Men's
    $179.73
    Save 21% - 25%
    compared to  $229.95 - $239.95
    3 reviews with an average rating of 5.0 out of 5 stars
    Trip Length/Capacity:
    Weekend
    Gear Capacity:
    48 liters
    Weight:
    3.5 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
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    Get $130 in value

    $30 in card rewards are yours when approved for the REI Co-op Mastercard by Mar 9. Plus, you can earn a $100 REI gift card after your first purchase. Terms apply.

    OspreyTempest 20 Pack - Women's
    $102.73
    Save 35%
    compared to  $160.00
    160 reviews with an average rating of 4.1 out of 5 stars
    Gear Capacity:
    18 to 20 liters
    Weight:
    2.04 to 2.21 lbs
    Features:
    Reservoir Compatible
    REI OUTLET
    Top Rated
    OspreyTempest 22 Pack - Women's
    $175.00
    39 reviews with an average rating of 4.7 out of 5 stars
    Gear Capacity:
    22 liters
    Weight:
    2.38 to 2.98 lbs
    Features:
    Reservoir Compatible
    Top Rated
    REI Co-opTrail 40 Pack - Women's
    $159.00
    27 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    40 to 41 liters
    Weight:
    2.56 to 2.87 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI Co-opTrailmade 60 Pack - Men's
    $189.00
    2 reviews with an average rating of 5.0 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    60 liters
    Weight:
    3.31 to 3.5 lbs
    Features:
    Reservoir Compatible
    REI Co-opFlash 55 Pack - Women's
    $229.00
    79 reviews with an average rating of 4.3 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    53 to 57 liters
    Weight:
    2.62 to 2.75 lbs
    Features:
    Ultralight
    Reservoir Compatible
    OspreyAtmos AG 65 Pack - Men's
    $370.00
    134 reviews with an average rating of 4.4 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    65 to 68 liters
    Weight:
    4.61 to 4.81 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    OspreyRook 65 Pack - Men's
    $205.00
    18 reviews with an average rating of 4.3 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    65 liters
    Weight:
    3.7 to 3.9 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    OspreyEja 58 Pack - Women's
    $285.00
    66 reviews with an average rating of 4.3 out of 5 stars
    Trip Length/Capacity:
    Multiday
    Gear Capacity:
    55 to 58 liters
    Weight:
    2.72 to 2.82 lbs
    Features:
    Reservoir Compatible
    Top Rated
    OspreyTalon 22 Pack - Men's
    $175.00
    53 reviews with an average rating of 4.6 out of 5 stars
    Gear Capacity:
    22 liters
    Weight:
    2.38 to 2.98 lbs
    Features:
    Reservoir Compatible
    OspreySirrus 36 Pack - Women's
    $164.73
    Save 25%
    compared to  $220.00
    16 reviews with an average rating of 4.0 out of 5 stars
    Gear Capacity:
    36 liters
    Weight:
    3.15 lbs
    Features:
    Reservoir Compatible
    Raincover Included
    REI OUTLET
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